Abstract

The reaction of the base-stabilized silyliumylidene triflate [LSi(DMAP)]OTf (1·OTf; L = PhC(NtBu)2, DMAP = 4-dimethylaminopyridine) with [Rh(cod)Cl]2 and W(CO)5THF afforded [{L(DMAP)Si}2{μ-Rh(μ-Cl)2Rh(cod)}](OTf)2 (2) and [L(DMAP)Si→W(CO)5]OTf (3), respectively. Their crystal structures determined by X-ray crystallography show that the silyliumylidene cation acts as a two-electron donor coordinating to the rhodium and tungsten atoms.

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